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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2001.91.6.S1#page=11
Last checked: 10/16/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Brecht, M. O.;
Datnoff, L. E.;
Kucharek, T. A.;
Nagata, R. T. |
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| Author Affiliation: | Brecht, Kucharek: Department Plant Pathology, University of Florida, Gainesville, FL; Datnoff, Nagata: Everglades Research and Education Center, Belle Glade, FL |
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| Title: | Effect of silicon (Si) and chlorothalonil (CH) on suppression of gray leaf spot (GLS) in St. Augustinegrass |
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| Meeting Info.: | 2001 APS/MSA/SON Joint Meeting, Salt Lake City, Utah: August 25-29, 2001 |
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| Source: | Phytopathology. Vol. 91, No. 6, June Supplement 2001, p. S11. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Silicon; Chlorothalonil; Gray leaf spot; Stenotaphrum secundatum; Slags; Pyricularia grisea; Percent living ground cover; Disease control
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| Abstract/Contents: | "Calcium silicate slag (20% Si) was evaluated for suppressing GLS (Magnaporthe grisea) in 2000. Slag was applied at 5000 kg/ha to Si-deficient Histosol prior to sprigging St. Augustinegrass at two sites in southern Florida. This treatment was compared to foliar sprays of CH, Si plus CH, and an untreated check. Applications of CH (720g/L) were made every 10 d at 1.8L/ha. Whole plant GLS for Si alone, CH, and Si plus CH was reduced (P=0.05) at both sites between 9-28, 34-67, and 59-68%, respectively. Levels of GLS in stolons also were reduced (P=0.05) between 16-29, 35-63, and 57-63%. The application of Si alone reduced (P=0.05) AUDPCs of whole plant and stolon GLS by 28% at site two. Ground coverage by plant growth increased (P=0.05) for CH and Si plus CH treatments at both sites between 12-31, and 18-43%, respectively, and Si treatment increased by 29% at site two. Silicon amendments for St. Augustinegrass sod production may be an option to reduce GLS and promote growth in newly sprigged fields. |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Brecht, M. O., L. E. Datnoff, T. A. Kucharek, and R. T. Nagata. 2001. Effect of silicon (Si) and chlorothalonil (CH) on suppression of gray leaf spot (GLS) in St. Augustinegrass. Phytopathology. 91(6):p. S11. |
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| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2001.91.6.S1#page=11
Last checked: 10/16/2015
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: SB 599 .P48 |
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